Home / 1,239,565.64-1,710,528.72-695,650.64

Finding the Fourth Proportional to 1,239,565.64, 1,710,528.72 and 695,650.64

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Solution

The fourth proportional to 1,239,565.64, 1,710,528.72 and 695,650.64 is: 959,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,565.64 : 1,710,528.72 = 695,650.64 : x
  2. Step 2: Convert to fraction form
    1,239,565.64/1,710,528.72 = 695,650.64/x
  3. Step 3: Cross multiply
    1,239,565.64x = 1,710,528.72 × 695,650.64
  4. Step 4: Simplify right side
    1,239,565.64x = 1,189,930,398,806.38
  5. Step 5: Solve for x
    x = 1,189,930,398,806.38/1,239,565.64
  6. Step 6: Final answer
    x = 959,957.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.